Method newHashSetWithExpectedSize

guava/src/com/google/common/collect/Sets.java:263–267

Returns a new hash set using the smallest initial table size that can hold {@code expectedSize} elements without resizing. Note that this is not what {@link HashSet#HashSet(int)} does, but it is what most users want and expect it to do. <p>This behavior can't be broadly guaranteed, but has been tes

(
      int expectedSize)

   * @throws IllegalArgumentException if {@code expectedSize} is negative
   */
  @SuppressWarnings("NonApiType") // acts as a direct substitute for a constructor call
  public static <E extends @Nullable Object> HashSet<E> newHashSetWithExpectedSize(
      int expectedSize) {
    return new HashSet<>(Maps.capacity(expectedSize));
  }

  /**
   * Creates a thread-safe set backed by a hash map. The set is backed by a {@link